Castle Pines & Fernhill area, Austin 78717

CAD Neighborhood R251501D

Property tax protest data for the Castle Pines & Fernhill area, Austin 78717 (Neighborhood R251501D) in Williamson County. 633 homes, $244/sqft median.

Moderate protest signal
54% success rate · Reductions above average
What protesters saved
$12,573
County-wide avg. per successful protest (2024)
Protest success rate
54%
Based on 85,033 county-wide protests (2024)
Homes analyzed
633
Median assessment
$244/sqft
Avg: $249/sqft

Source: WCAD public records, 2024 protest season

What this means for your property

633 homes in this area were assessed at a median $244/sqft. With a 54% protest success rate, most homeowners who challenged their assessment received a reduction. If your home is assessed higher than comparable properties, you likely have grounds to protest. An evidence packet shows exactly how your assessment compares — with the specific comps and data you'd present at a hearing.

What's in the evidence packet?

5 comparable properties matched to your home, an assessment gap analysis showing where your value exceeds comps, a filing checklist for WCAD, and a hearing script you can read at your informal hearing.

How does the protest process work?

You file a protest with WCAD (online via WCAD Property Owner Portal), attend an informal hearing where you present your evidence, and most cases settle right there. The evidence packet gives you everything you need for that hearing.

What's the deadline?

The protest deadline for Williamson County is May 15. You must file before this date to protest your 2026 assessment.

Check your property

See how your home compares to 633 others in Castle Pines & Fernhill area, Austin 78717

$49 flat fee · No recurring fees — you keep 100% · 7-day money-back guarantee

📅 Deadline: May 15, 2026 (41 days left) Full refund if unused 🔒 Secure checkout 🛡 No risk — filing can’t raise your taxes

What's in your evidence packet

5 comparable properties matched to your home
Assessment gap analysis with dollar amounts
Williamson County filing checklist
Hearing script you can read word-for-word
Comparable sales grid (PDF)
Step-by-step WCAD Property Owner Portal walkthrough
In Williamson County, 85,033 property owners protested last year. 54% received a reduction.

Compare similar neighborhoods in Williamson County

Neighborhood Homes Median $/Sq Ft Win Rate
Kingston & Lou Hollow area, Cedar Park 78613 235 $244 same
Parkfield & Windy Park Ci area, Round Rock 78664 244 $244 same
Speed Horse & Bronco area, Liberty Hill 78642 252 $244 same
Oakley & Castillo area, Liberty Hill 78642 154 $244 same
Landons & Twin Springs area, Georgetown 78633 99 $243 -$1.0

Neighborhoods with the closest median $/sq ft to Castle Pines & Fernhill area, Austin 78717.

Top flagged properties in Castle Pines & Fernhill area, Austin 78717

Address % Above $/Sqft Est. Savings
9612 CASTLE PINES DR, AUSTIN, TX 78717 35% $330 $3,231
9401 CASTLE PINES DR, AUSTIN, TX 78717 34% $327 $3,430
9429 CASTLE PINES DR, AUSTIN, TX 78717 31% $319 $2,835
9524 CASTLE PINES DR, AUSTIN, TX 78717 31% $319 $2,786
9521 PASATIEMPO DR, AUSTIN, TX 78717 28% $312 $2,704

Properties assessed highest above the neighborhood median.